56256772672 has 28 divisors (see below), whose sum is σ = 112097777836. Its totient is φ = 28011663360.

The previous prime is 56256772667. The next prime is 56256772699. The reversal of 56256772672 is 27627765265.

It can be written as a sum of positive squares in 2 ways, for example, as 51213500416 + 5043272256 = 226304^2 + 71016^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808253 + ... + 1839100.

Almost surely, 2^56256772672 is an apocalyptic number.

It is an amenable number.

56256772672 is a deficient number, since it is larger than the sum of its proper divisors (55841005164).

56256772672 is a wasteful number, since it uses less digits than its factorization.

56256772672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647606 (or 3647596 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 55.

The spelling of 56256772672 in words is "fifty-six billion, two hundred fifty-six million, seven hundred seventy-two thousand, six hundred seventy-two".